include/hw/sd/sdcard_legacy.h

   1 /*
   2  * SD Memory Card emulation (deprecated legacy API)
   3  *
   4  * Copyright (c) 2006 Andrzej Zaborowski  <balrog@zabor.org>
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in
  14  *    the documentation and/or other materials provided with the
  15  *    distribution.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
  18  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  19  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  20  * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR
  21  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  24  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  25  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  27  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29 #ifndef HW_SDCARD_LEGACY_H
  30 #define HW_SDCARD_LEGACY_H
  31
  32 #include "hw/sd/sd.h"
  33
  34 /* Legacy functions to be used only by non-qdevified callers */
  35 SDState *sd_init(BlockBackend *blk, bool is_spi);
  36 int sd_do_command(SDState *card, SDRequest *request, uint8_t *response);
  37 void sd_write_byte(SDState *card, uint8_t value);
  38 uint8_t sd_read_byte(SDState *card);
  39 void sd_set_cb(SDState *card, qemu_irq readonly, qemu_irq insert);
  40
  41 /* sd_enable should not be used -- it is only used on the nseries boards,
  42  * where it is part of a broken implementation of the MMC card slot switch
  43  * (there should be two card slots which are multiplexed to a single MMC
  44  * controller, but instead we model it with one card and controller and
  45  * disable the card when the second slot is selected, so it looks like the
  46  * second slot is always empty).
  47  */
  48 void sd_enable(SDState *card, bool enable);
  49
  50 #endif /* HW_SDCARD_LEGACY_H */